Exercises on Lesson V.
1. Explain all that happens when a horse-chestnut bud opens. 2. Why do the buds which you force indoors wither after they open? 3. What changes come over your bean seeds as they grow? 4. Do the young plants draw any food from the sawdust? If not, what feeds them? 5. What three things does a seed need in order to start growing?
1. Magnified sections of Maize and Wheat Seeds, showing Young Plant, Food Store, etc. 2. Germination of Maize. 3. Maize growing in Sawdust. 4. Maize growing in Tap Water. 5. Bean growing in Bottle over Water.